FR 4586 then LA 5760 at Barcelona
Porto → Barcelona → Hondarribia
Timetable, Barcelona time
19:45FR 4586 from Porto at the gate
12:20LA 5760 to Hondarribia leaves the gate
16 h 35 apart on the timetable, overnight
LA 5760 leaves 16 h 35 after FR 4586 arrives on the timetable: more than half a day, so not a connection we count.